2ContentsVEGAPULS SR 68 • 4 … 20 mA/HART - two-wire38294-EN-160707Contents1 About this document1.1 Function ........................................................................................................................... 41.2 Target group ..................................................................................................................... 41.3 Symbols used................................................................................................................... 42 For your safety2.1 Authorised personnel ....................................................................................................... 52.2 Appropriate use ................................................................................................................ 52.3 Warning about incorrect use............................................................................................. 52.4 General safety instructions ............................................................................................... 52.5 CE conformity................................................................................................................... 62.6 NAMUR recommendations .............................................................................................. 62.7 Radio license for Europe .................................................................................................. 62.8 Radio license for USA/Canada ......................................................................................... 72.9 Environmental instructions ............................................................................................... 73 Product description3.1 Configuration .................................................................................................................... 83.2 Principle of operation........................................................................................................ 93.3 Packaging, transport and storage ..................................................................................... 93.4 Accessories and replacement parts ............................................................................... 104 Mounting4.1 General instructions ....................................................................................................... 124.2 Mounting preparations ................................................................................................... 134.3 Mounting instructions ..................................................................................................... 155 Connecting to power supply5.1 Preparing the connection ............................................................................................... 275.2 Connecting ..................................................................................................................... 285.3 Wiring plan, single chamber housing.............................................................................. 305.4 Wiring plan, double chamber housing ............................................................................ 305.5 Wiring plan, double chamber housing Ex d ia ................................................................ 325.6 Double chamber housing with DIS-ADAPT .................................................................... 335.7 Wiring plan - version IP 66/IP 68, 1 bar........................................................................... 345.8 Switch-on phase............................................................................................................. 346 Set up with the display and adjustment module6.1 Insert display and adjustment module ............................................................................ 356.2 Adjustment system ......................................................................................................... 366.3 Measured value indication - Selection national language ............................................... 376.4 Parameter adjustment .................................................................................................... 386.5 Saving the parameter adjustment data ........................................................................... 557 Setup with PACTware7.1 Connect the PC .............................................................................................................. 567.2 Parameter adjustment .................................................................................................... 577.3 Saving the parameter adjustment data ........................................................................... 588 Set up with other systems8.1 DD adjustment programs ............................................................................................... 598.2 Field Communicator 375, 475 ........................................................................................ 59